# coding:utf8
from base64 import encode

import time
reviewtime = u'[2017-11-13]'
# print type(reviewtime)
# reviewtime = reviewtime.encode("utf-8")
left = reviewtime[1:][:-1]
# # right = reviewtime
print left
#
# reviewtime = int(time.mktime(time.strptime(reviewtime, '%Y-%m-%d')))
# print reviewtime

def is_str(s):
    return isinstance(s, str)
# print is_str(reviewtime)